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How to reduce object file size when compiling for VxWorks 5.5.1?


How to reduce object file size when compiling for VxWorks 5.5.1?

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How to reduce object file size when compiling for VxWorks 5.5.1?
Tag : cpp , By : Tonci Grgin
Date : November 25 2020, 07:22 PM


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Object files without ELF header or ways to reduce object file size with GCC?


Tag : gcc , By : codelurker
Date : March 29 2020, 07:55 AM
I wish this helpful for you The ELF header can't be removed and restored later on, as valuable information is stored there and then lost forever (like file offsets for some tables, architecture, etc. IIRC). You've already listed almost everything that you can do to reduce the size, except maybe bzip'ing.

scale and reduce colors to reduce file size of scan


Tag : algorithm , By : Eniac
Date : March 29 2020, 07:55 AM
fixed the issue. Will look into that further This is a rather open ended question since there's still possible room for flex between image quality and image size... after all, making it black and white and compressing it with CCITT T.6 black and white (fax-style) compression is going to beat the pants off most if not all color-capable compression algorithms.
If you're willing to go black and white (not grayscale), do that! It makes documents very small.
convert example.png -resize 50% -selective-blur 0x4+10% -brightness-contrast -5x30 -resize 80% example.ppm
./capt example.ppm example.apt 20  # The 20 means quality in the range [0,100]
./dapt example.apt out_example.ppm
convert out_example.ppm out_example.png

Compiling for VxWorks


Tag : development , By : demize95
Date : March 29 2020, 07:55 AM
Hope this helps Outside of an academic license (which would use a VxWorks installation anyway), there is not any way to legally compile your code for a vxWorks platform.
Technically, you CAN obtain the GNU toolchain used to compile code for VxWorks.

Python - Program to reduce file size is increasing file size


Tag : python , By : lamberms
Date : March 29 2020, 07:55 AM
I wish did fix the issue. You're changing the encoding of the file. latin-1 is always 1-byte per character, but utf-8 isn't, so some of your special characters are being encoded with multiple bytes, resulting in the increase in size.

Java FTPClient - Remote File size 0 bytes VXWorks


Tag : java , By : harley.holt
Date : March 29 2020, 07:55 AM
may help you . It sounds like your VXWorks FTP server doesn't support the MLST command which is what mlistFile() uses under the hood. The MLST command was added with RFC 3659. In order to use the command the server would need to implement that RFC.
Your best bet is to use the LIST command (e.g. listFiles(pathName)). This should be the most compatible function of the bunch. This function returns an array instead of a single file, so you'll need to check the return length == 1, but otherwise should be a more-or-less drop in replacement.
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